Water Quality in Concord, CA (94509)
EPA violation data for public water systems serving ZIP code 94509.
No Health-Based Violations
None of the 21 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are2 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 36% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
70,090
Population
21
Water Systems
2
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (21)
Contra Costa Water District
City Of Antioch
Brentwood
City Of Pittsburg
Gaylord Container Company
Rio Viento Rv Camp [Sws]
Contra Costa District Fair
Holy Cross Cemetery *Cl 2/28/15
Bridgehead Rentals Sws
Golf Club At Roddy Ranch
Bridgehead Cafe
Lakeshore Rv Park
All resolvedRayners Grocery Sws **Closed**
Davis Camp *Cl 10/08
Littorno & Panfili Water System
Riverview Motel *Cl 2007
Wilbur Apartments
James A Mcgrath
Don S Little Store Sws
Louis & Lupe Madrigal
Byron Holway Water System
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2023
How Does This Compare?
Concord (94509) has more violations than 36% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 2, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.